SPR White - Forensics PenTest A purple colour reaction on

A purple colour reaction on the Collection Paper indicates a positive reaction

two Collection papers and a Colour chart

SPR Black helps preserve and collect important evidence at the scene of the crime

detecting both trace and substance levels of drugs

handy and accurate

SPR White - Forensics PenTest A purple colour reaction onSPR White is an aerosol based fingerprinting product for the development of latent prints on wet, dark, smooth nonporous surfaces. SPR White is a prepackaged solution that is warranted with a shelf life of 1 year. As an investigative tool, SPR White helps preserve and collect important evidence at the scene of the crime.